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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript库</title>
    <script src="https://lib.baomitu.com/echarts/latest/echarts.js"></script>
    <link rel="stylesheet" href="./style/common.css">
</head>
<body>
    <h1>可视化图表库——Echarts入门示例</h1>
    <!-- 为 ECharts 准备一个定义了宽高的 DOM -->
    <div id="main" style="width: 600px;height:400px;"></div>
    <div id="main2" style="width: 600px;height:400px;"></div>
    <script type="text/javascript">
        // 基于准备好的dom，初始化echarts实例
        var myChart = echarts.init(document.getElementById('main'));
  
        // 指定图表的配置项和数据
        var option = {
          title: {
            text: 'ECharts 入门示例'
          },
          tooltip: {},
          legend: {
            data: ['销量']
          },
          xAxis: {
            data: ['衬衫', '羊毛衫', '雪纺衫', '裤子', '高跟鞋', '袜子']
          },
          yAxis: {},
          series: [
            {
              name: '销量',
              type: 'bar',
              data: [5, 20, 36, 10, 10, 20]
            }
          ]
        };
  
        // 使用刚指定的配置项和数据显示图表。
        myChart.setOption(option);

        // 基于准备好的dom，初始化echarts实例
        var myChart2 = echarts.init(document.getElementById('main2'));
  
        // 指定图表的配置项和数据
        var option2 = {
            title: {
                text: 'Stacked Area Chart'
            },
            tooltip: {
                trigger: 'axis',
                axisPointer: {
                    type: 'cross',
                    label: {
                        backgroundColor: '#6a7985'
                    }
                }
            },
            legend: {
                data: ['Email', 'Union Ads', 'Video Ads', 'Direct', 'Search Engine']
            },
            toolbox: {
                feature: {
                saveAsImage: {}
                }
            },
            grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
            },
            xAxis: [
                {
                type: 'category',
                boundaryGap: false,
                data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
                }
            ],
            yAxis: [
                {
                type: 'value'
                }
            ],
            series: [
                {
                name: 'Email',
                type: 'line',
                stack: 'Total',
                areaStyle: {},
                emphasis: {
                    focus: 'series'
                },
                data: [120, 132, 101, 134, 90, 230, 210]
                },
                {
                name: 'Union Ads',
                type: 'line',
                stack: 'Total',
                areaStyle: {},
                emphasis: {
                    focus: 'series'
                },
                data: [220, 182, 191, 234, 290, 330, 310]
                },
                {
                name: 'Video Ads',
                type: 'line',
                stack: 'Total',
                areaStyle: {},
                emphasis: {
                    focus: 'series'
                },
                data: [150, 232, 201, 154, 190, 330, 410]
                },
                {
                name: 'Direct',
                type: 'line',
                stack: 'Total',
                areaStyle: {},
                emphasis: {
                    focus: 'series'
                },
                data: [320, 332, 301, 334, 390, 330, 320]
                },
                {
                name: 'Search Engine',
                type: 'line',
                stack: 'Total',
                label: {
                    show: true,
                    position: 'top'
                },
                areaStyle: {},
                emphasis: {
                    focus: 'series'
                },
                data: [820, 932, 901, 934, 1290, 1330, 1320]
                }
            ]
        };
        // 使用刚指定的配置项和数据显示图表。
        myChart2.setOption(option2);
      </script>
</body>
</html>